Aubrey Marcus, author of the book is CEO of Onnit, a human performance company that he has built into one of the fastest growing companies in the world.How can we get the most out of our body and mind on a daily basis? Want to change your life for the better?Aubrey Marcus answers these questions in this handbook that guides the reader to optimise each moment of the day. With small, actionable changes implemented throughout the course of one day we can feel better, perform more efficiently and live happier. And these habits turn into weekly routines, ultimately becoming part of a lifelong healthy choice.From workouts and diet to inbox triage, mindfulness, shower temperature and sex this groundbreaking manual provides strategies for each element of your day. Drawing on the latest studies and traditional practices from around the world, this book delivers cutting-edge life hacks, nutritional expertise, brain upgrades and fitness regimes.Own the Day presents a path to change. It guides readers through a single 24-hour day of positive choices and optimal living that will form the groundwork for all their days to come. From foundational elements like workouts, diet, and mindfulness, to more routine opportunities to optimize your choices, such as shower temperature and inbox triage, readers will learn to make the most of every moment.Ultimately, Marcus creates a choose-your-own-adventure guide to living that brings the reader's mind, body, and spirit to life. It is a promise delivered on the back of real, concrete strategies for better living. And the all-encompassing results are what make this book's simplistic approach so successful. By focusing on optimal decision making for just one day —by making several small, key changes in your daily approach—you end up addressing your health at every level. And owning your day.